- made fixes to hkl

- Introduced a help system
- introduced a module for handling automatic updates of files during
  long measurements
- Added a circular buffer and handling facilities to varlog
- Upgraded documentation


SKIPPED:
	psi/faverage.h
	psi/nxamor.tex
	psi/pimotor.h
	psi/pimotor.tex

doc/programmer/nserver.tex

@@ -18,6 +18,7 @@ $\langle$servdat {\footnotesize ?}$\rangle\equiv$
 \mbox{}\verb@                    pEnvMon    pMonitor;@\\
 \mbox{}\verb@                    mkChannel  *pServerPort;@\\
 \mbox{}\verb@                    pNetRead   pReader;@\\
+\mbox{}\verb@                    int        simMode;@\\
 \mbox{}\verb@                   } SicsServer;@\\
 \mbox{}\verb@@$\diamond$
 \end{list}
@@ -40,6 +41,8 @@ This module monitors sample environment controllers.
 the SICS server is listening for connections.
 \item[pReader] points to a data structure which defines the network
 communication object.  
+\item[simMode] a flag which is true when the SICS server is a simulation
+ server.
 \end{description}